5-Night Cruise on Margaritaville At Sea IslanderKey West and Cozumel - Weather

Departing Tampa, Florida on September 4, 2027, the Margaritaville At Sea Cruises ship Margaritaville At Sea Islander runs this 5-night Key West and Cozumel sailing. It's a classic Caribbean cruise. Travelers sailing in September can generally expect warm, sunny weather with gentle trade winds. Ports of call include Tampa, Florida, Key West, Florida, Cozumel, Mexico, with 1 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Saturday, Sep 4, 2027 — Tampa, Florida

   Tampa, Florida is a scheduled port of call on day 1 of the 5-night Key West and Cozumel cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 89°F.

2. Day 2 — Sunday, Sep 5, 2027 — Key West, Florida

   Key West, Florida is a scheduled port of call on day 2 of the 5-night Key West and Cozumel cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 84°F.

3. Day 3 — Tuesday, Sep 7, 2027 — Cozumel, Mexico

   Cozumel, Mexico is a scheduled port of call on day 3 of the 5-night Key West and Cozumel cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 84°F.

4. Day 4 — Thursday, Sep 9, 2027 — Tampa, Florida

   Tampa, Florida is a scheduled port of call on day 4 of the 5-night Key West and Cozumel cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 89°F.